9 articles on diagnosis — guides, reviews and comparisons from the team that measures real lawns.
Lawn care Brown Circles in the Lawn: Brown Patch, Dollar Spot and Fungus Circles that widen after humid nights are a fungus. Brown patch, dollar spot, fairy rings and summer patch told apart, the four habits that stop them, when to spray.
Lawn care Crabgrass: Why It's Back Every Summer, and the Date That Beats It Crabgrass dies at frost and comes back from seed. The pre-emergent date (forsythia bloom, 55°F soil), the seeding conflict, and the thick lawn that ends it.
Lawn care Why Is My Lawn Yellow? What Fertilizer Your Lawn Actually Needs Yellow all over, in patches or in stripes: three different problems. Read the color, decode the bag's numbers, feed by season, and the $15 test that beats guessing.
Lawn care Something Is Digging Up My Lawn: Grubs, and What Digs for Them Turf that lifts like carpet and animals digging at night mean grubs. How to count them, the number worth treating, the two treatment windows, and reseeding.
Lawn care Moss and Thin Grass Under Trees: How to Grow a Lawn in Shade Moss grows where grass gave up on the light. How much sun a lawn needs, the fine fescue that copes, lifting the canopy, and when to make it a bed instead.
Lawn care Why Won't My Lawn Fill In? Repairing Bare and Thin Spots Why bare spots never fill in (bunch grasses, shade, traffic, compaction), how much seed a patch needs, the repair in order, and when the mower goes back on.
Lawn care Why Does My Lawn Look Brown After Mowing? The ⅓ Rule and Blades White, frayed tips a day after mowing aren't disease — they're dull blades. The ⅓ rule, the right height for your grass, and the two-minute fix.
Lawn care Dry Lawn or Dog Spots? Watering Right and Fixing the Circles Footprints that stay pressed in mean drought; a dead circle with a lush ring is a dog spot. The inch-a-week rule, when to water, dormancy, and fixing each circle.
Lawn care What Kind of Weed Is This, and How Do I Get Rid of It? Tell a broadleaf weed from a grassy one in ten seconds, what each says about your lawn, the fix that holds, and why a robot's daily cut is half of weed control.